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General

NameVivo X21iSamsung Galaxy Tab Active Pro-
ModelX21i Galaxy Tab Active Pro (SM-T545, SM-T547)-
Price-Tk. 57,990-

Network

Network TypeGSM / CDMA / HSPA / LTE GSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMAGSM 900 / 1800 / 1900-
Network 3GHSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100-
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)LTE-
Network SpeedHSPA, LTEHSPA, LTE-A-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M Colors LCD capacitive touchscreen, 16M Colors -
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio 10.1 inches, 295.8 cm2 (~71.4% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio 1920 x 1200 pixels, 16:10 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density 224 ppi density-

Camera

Primary Camera12MP (f/1.8, 1/2.5 13 MP-
Secondary Camera24MP 8 MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED Flash, HDR, Panorama-
Video[email protected]ps [email protected], [email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)243.5 x 170.2 x 9.9 mm (9.59 x 6.70 x 0.39 in)-
Body Weight159 g (5.61 oz) 653 g-
Body ColorBlack, Aurora White, Ruby Red Black-
Body Build-Info not available-

Launch

Launch AnnouncementMay, 2018September, 2019-
Launch DateRelease May 19th, 2018Release October, 2019-

Platform

Operating SystemAndroid 8.1 OreoAndroid 9.0 (Pie)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Octa-core (2x2.0 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)-
GPUMali-G72 MP3 Adreno 616-
ChipsetMediatek MT6771 Helio P60 Exynos 7870 Octa-

Memory

Memory Internal64GB, 128GB 64 GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot) microSD, up to 512 GB (dedicated slot)-
Ram4GB, 6GB 4 GB-

Battery

Battery TypeNon-removable Li-Ion Battery Non-removable Li-Po Battery -
Battery Capacity3425 mAh 7600 mAh Battery-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV RingtonesYes-
LoudspeakerYesYes-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated micYes-

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, Hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Hotspot-
Bluetooth5.0, A2DP, LE 5.0, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go 2.0, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compass Fingerprint -front-mounted, accelerometer, gyro, proximity, compass-
MessagingSMS(threaded view), MMS, Email, Push Email SMS(threaded view), MMS, Email-
BrowserHTML5 HTML5-
JavaNoNo-

Other

Made ByChinaKoria-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editor Samsung DeX-